916121110 has 24 divisors (see below), whose sum is σ = 1694815920. Its totient is φ = 356539104.

The previous prime is 916121099. The next prime is 916121111. The reversal of 916121110 is 11121619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916121111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19770 + ... + 47149.

It is an arithmetic number, because the mean of its divisors is an integer number (70617330).

Almost surely, 2^916121110 is an apocalyptic number.

916121110 is a deficient number, since it is larger than the sum of its proper divisors (778694810).

916121110 is a wasteful number, since it uses less digits than its factorization.

916121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000 (or 66963 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 22.

The square root of 916121110 is about 30267.4926282307. The cubic root of 916121110 is about 971.2200293095.

Adding to 916121110 its reverse (11121619), we get a palindrome (927242729).

The spelling of 916121110 in words is "nine hundred sixteen million, one hundred twenty-one thousand, one hundred ten".